Inside a stereo speaker, you will find two permanent magnets: one on the cone and one near the cone. True of false?

the goat weighs 900 N and is 1 meter from the fulcrum. The strongman pulls down on the lever 3 meters from the fulcrum. What is the smallest effort that the strongman can use to lift the goat.

A 62 kg box is lifted 12 meters off the ground. How much work was done?

A simple pendulum is 5.00 m long. what is the period of small oscillations for this pendulum if it is located in an elevator (a) accelerating upward at 5.00 m/s2? (b) accelerating downward at 5.

A force of 13 N is used to slide a 0.8 kg book across a table. What is the magnitude of the book's acceleration?

A pot on the stove contains 200 g of water at 20°C. An unknown mass of ice that is originally at - 10°C is placed in an identical pot on the stove. Heat is then added to the two samples of water at precisely the same constant rate.

A German scientist, George Ohm, discovered the relationship between current, voltage, and resistance. This became known as Ohm's law.

The amount of fluid displaced by a submerged object depends on its

What kinds of space and matter can light travel through?

A capacitor is connected to a power source and begins charging. What causes the capacitor to stop charging while it is still connected to the power source?

Do the data for the second part of the experiment support or refute the second hypothesis? Be sure to explain your answer